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CVE-2019-13272: Linux Kernel Improper Privilege Management Vulnerability

criticalknown exploitedpublic exploitCVE-2019-13272
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Kernel/ptrace.c in Linux kernel mishandles contains an improper privilege management vulnerability that allows local users to obtain root access.

CSIRTS triage

vendor: Linuxproduct: KernelPrivilege escalation
What
The Linux kernel mishandles privilege management, allowing local users to obtain root access.
Who is affected
Local users of the affected Linux kernel versions.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update the Linux kernel to the latest version.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-12-10
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-13272

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-13272coverage & exploitation statusNVD · CVE.org

Recent advisories for Linux Kernel Improper

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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